PetFusion ToughGrip Waterproof Litter Mat Made of FDA Grade Silicone. Easy Surface Cleaning, no More Mold or Mildew, and Longer Lasting (Accident Protection) PREMIUM FDA GRADE SILICONE: Waterproof, anti-microbial, non-toxic, hypoallergenic, less odor. Durable yet comfortable for your cat to walk on / release litter. No more jumping over mat GREAT AT TRAPPING LITTER: Thoughtful design with elevated inner ridges & outer lip to Effectively contain pesky cat litter SUPER EASY TO CLEAN w/ FLEXIBLE OPTIONS: Broom, vacuum, sponge -- litter remains on surface recesses but unlike other mats, no longer trapped from view or reach (growing mildew) GREAT VALUE: Save money by simply folding & pouring clean litter back into box. Includes side spout & anti-slip traction. 12 month WARRANTY for any manufacturing defect YOU SHOULD KNOW: 30 x 23 inches W/ .25 inch lip. Recommend butting up against box exit for Max coverage (portrait orientation)